Calcul Mental
26/05/2026
MiCetF
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11 s.
Ajouter ou retrancher un nombre du type 10, 200...
0 s.
449 + 30 =
162 - 80 =
89 + 60 =
403 + 100 =
309 - 30 =
334 - 50 =
542 + 300 =
346 - 30 =
205 + 400 =
403 + 400 =
89 + 70 =
502 - 20 =
229 + 500 =
223 + 30 =
166 + 600 =
688 - 10 =
856 + 100 =
208 - 30 =
92 - 60 =
503 - 20 =
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